The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 09, 2021

Filed:

May. 28, 2019
Applicant:

The Procter & Gamble Company, Cincinnati, OH (US);

Inventors:

John Moncrief Layman, Liberty Township, OH (US);

Dimitris Ioannis Collias, Mason, OH (US);

Hans Schonemann, Newburyport, MA (US);

Kara Williams, South Weymouth, MA (US);

Assignee:

The Procter & Gamble Company, Cincinnati, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 11/08 (2006.01); B01D 11/02 (2006.01); B01D 21/00 (2006.01); B01J 3/04 (2006.01);
U.S. Cl.
CPC ...
C08J 11/08 (2013.01); B01D 11/0284 (2013.01); B01D 11/0288 (2013.01); B01D 21/0012 (2013.01); B01J 3/04 (2013.01); C08J 2323/06 (2013.01); C08J 2323/08 (2013.01);
Abstract

A method for purifying a reclaimed polyethylene is disclosed. In one embodiment, the method involves obtaining reclaimed polyethylene, contacting the reclaimed polyethylene with a first fluid solvent to produce an extracted reclaimed polyethylene; then dissolving the extracted reclaimed polyethylene in a solvent to produce a first solution comprising polyethylene. The first solution is settled and then filtered. A purer polyethylene is separated from the resulting solution.


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